EP4270949A4 - Point cloud decoding method and encoding method, and decoder and encoder - Google Patents

Point cloud decoding method and encoding method, and decoder and encoder

Info

Publication number
EP4270949A4
EP4270949A4 EP20966335.0A EP20966335A EP4270949A4 EP 4270949 A4 EP4270949 A4 EP 4270949A4 EP 20966335 A EP20966335 A EP 20966335A EP 4270949 A4 EP4270949 A4 EP 4270949A4
Authority
EP
European Patent Office
Prior art keywords
decoder
encoder
point cloud
cloud decoding
encoding method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20966335.0A
Other languages
German (de)
French (fr)
Other versions
EP4270949A1 (en
Inventor
Hui Yuan
Lu Wang
Xiaohui Wang
Qi Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of EP4270949A1 publication Critical patent/EP4270949A1/en
Publication of EP4270949A4 publication Critical patent/EP4270949A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2210/00—Indexing scheme for image generation or computer graphics
    • G06T2210/36—Level of detail

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20966335.0A 2020-12-22 2020-12-22 Point cloud decoding method and encoding method, and decoder and encoder Pending EP4270949A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/138435 WO2022133755A1 (en) 2020-12-22 2020-12-22 Point cloud decoding method and encoding method, and decoder and encoder

Publications (2)

Publication Number Publication Date
EP4270949A1 EP4270949A1 (en) 2023-11-01
EP4270949A4 true EP4270949A4 (en) 2024-03-06

Family

ID=82157037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20966335.0A Pending EP4270949A4 (en) 2020-12-22 2020-12-22 Point cloud decoding method and encoding method, and decoder and encoder

Country Status (6)

Country Link
US (1) US20230326090A1 (en)
EP (1) EP4270949A4 (en)
JP (1) JP2024505796A (en)
KR (1) KR20230124018A (en)
CN (2) CN117710587A (en)
WO (1) WO2022133755A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190087979A1 (en) * 2017-09-18 2019-03-21 Apple Inc. Point cloud compression
CN110418135A (en) * 2019-08-05 2019-11-05 北京大学深圳研究生院 A kind of the point cloud intra-frame prediction method and equipment of the weight optimization based on neighbours
WO2020075781A1 (en) * 2018-10-09 2020-04-16 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10861196B2 (en) * 2017-09-14 2020-12-08 Apple Inc. Point cloud compression
US11010928B2 (en) * 2018-04-10 2021-05-18 Apple Inc. Adaptive distance based point cloud compression
US10904564B2 (en) * 2018-07-10 2021-01-26 Tencent America LLC Method and apparatus for video coding
US11010931B2 (en) * 2018-10-02 2021-05-18 Tencent America LLC Method and apparatus for video coding
US11454710B2 (en) * 2019-01-08 2022-09-27 Apple Inc. Point cloud compression using a space filling curve for level of detail generation
CN111145090B (en) * 2019-11-29 2023-04-25 鹏城实验室 Point cloud attribute coding method, point cloud attribute decoding method, point cloud attribute coding equipment and point cloud attribute decoding equipment
CN111242997B (en) * 2020-01-13 2023-11-10 北京大学深圳研究生院 Point cloud attribute prediction method and equipment based on filter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190087979A1 (en) * 2017-09-18 2019-03-21 Apple Inc. Point cloud compression
WO2020075781A1 (en) * 2018-10-09 2020-04-16 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
US20210142521A1 (en) * 2018-10-09 2021-05-13 Panasonic Intellectual Property Corporation Of America Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
CN110418135A (en) * 2019-08-05 2019-11-05 北京大学深圳研究生院 A kind of the point cloud intra-frame prediction method and equipment of the weight optimization based on neighbours
US20230196625A1 (en) * 2019-08-05 2023-06-22 Peking University Shenzhen Graduate School Point cloud intra prediction method and device based on weights optimization of neighbors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022133755A1 *

Also Published As

Publication number Publication date
US20230326090A1 (en) 2023-10-12
CN117710587A (en) 2024-03-15
JP2024505796A (en) 2024-02-08
EP4270949A1 (en) 2023-11-01
KR20230124018A (en) 2023-08-24
CN116601947A (en) 2023-08-15
WO2022133755A1 (en) 2022-06-30

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